diff --git a/.python-version b/.python-version
index 95ed564f..da717732 100644
--- a/.python-version
+++ b/.python-version
@@ -1 +1 @@
-3.14.2
+3.14.3
diff --git a/docker/noneflow.dockerfile b/docker/noneflow.dockerfile
index b037ec7b..4a6681ae 100644
--- a/docker/noneflow.dockerfile
+++ b/docker/noneflow.dockerfile
@@ -1,5 +1,5 @@
 # 这样能分别控制 uv 和 Python 版本
-FROM python:3.14.2-slim
+FROM python:3.14.3-slim
 COPY --from=ghcr.io/astral-sh/uv:0.9.26 /uv /bin/uv
 
 # 设置时区
diff --git a/docker/nonetest.dockerfile b/docker/nonetest.dockerfile
index 8fab9f75..bc5befc4 100644
--- a/docker/nonetest.dockerfile
+++ b/docker/nonetest.dockerfile
@@ -1,5 +1,5 @@
 # 这样能分别控制 uv 和 Python 版本
-FROM python:3.14.2-slim
+FROM python:3.14.3-slim
 COPY --from=ghcr.io/astral-sh/uv:0.9.26 /uv /bin/uv
 
 WORKDIR /app
diff --git a/pyproject.toml b/pyproject.toml
index 928897be..f590c653 100644
--- a/pyproject.toml
+++ b/pyproject.toml
@@ -5,7 +5,7 @@ description = "Manage publish related issues in nonebot2 project"
 authors = [{ name = "uy_sun", email = "hmy0119@gmail.com" }]
 readme = "README.md"
 license = { file = "LICENSE" }
-requires-python = ">=3.14.2"
+requires-python = ">=3.14.3"
 dependencies = [
   "click>=8.3.1",
   "docker>=7.1.0",
diff --git a/uv.lock b/uv.lock
index 4e2fa1da..24ebe412 100644
--- a/uv.lock
+++ b/uv.lock
@@ -1,6 +1,6 @@
 version = 1
 revision = 3
-requires-python = ">=3.14.2"
+requires-python = ">=3.14.3"
 
 [[package]]
 name = "annotated-types"